webcord-vencord: bump electron to electron_36

[NotAShelf]

Bumps webcord-vencord's Electron version to 36, from 34, in light of the recent
EOL for Electron 34. Upstream does have a history of not playing nicely with
recent Electron versions, but as per my testing. the window itself opens
perfectly fine. I unfortunately cannot test further functionality as Discord is
banned in my country, and I cannot get past the initial loading screen.

Things done

• Built on platform(s)
  • x86_64-linux
  • aarch64-linux
  • x86_64-darwin
  • aarch64-darwin
• For non-Linux: Is sandboxing enabled in nix.conf? (See
  Nix manual)
  • sandbox = relaxed
  • sandbox = true
• Tested, as applicable:
  • NixOS test(s)
    (look inside
    nixos/tests)
  • and/or
    package tests
  • or, for functions and "core" functionality, tests in
    lib/tests or
    pkgs/test
  • made sure NixOS tests are
    linked
    to the relevant packages
• Tested compilation of all packages that depend on this change using
  nix-shell -p nixpkgs-review --run "nixpkgs-review rev HEAD". Note: all
  changes have to be committed, also see
  nixpkgs-review usage
• Tested basic functionality of all binary files (usually in
  ./result/bin/)
• Nixpkgs 25.11 Release Notes
  (or backporting
  24.11
  and
  25.05
  Nixpkgs Release notes)
  • (Package updates) Added a release notes entry if the change is major or
    breaking
• NixOS 25.11 Release Notes
  (or backporting
  24.11
  and
  25.05
  NixOS Release notes)
  • (Module updates) Added a release notes entry if the change is
    significant
  • (Module addition) Added a release notes entry if adding a new NixOS
    module
• Fits
  CONTRIBUTING.md,
  pkgs/README.md,
  maintainers/README.md
  and other contributing documentation in corresponding paths.

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[TomaSajt]

Did some minimal testing, seems to run fine.
Hopefully everything still works.
Will merge now.

[nixpkgs-ci]

Successfully created backport PR for release-25.05:

• [Backport release-25.05] webcord-vencord: bump electron to electron_36 #421236